Java
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A brief introduction to spring annotations
The core components of spring MVC Dispatcher servlet - C > controller, request entry handermapping - controller, re…… -
Java gets the information instance code of the current operating system
There are several mainstream methods. One is to use the following function publicstaticStringgetProperty(Stringkey) On…… -
Spring uses oxm for object XML Mapping parsing
1. Understanding XML parsing technology 1.1 XML related concepts (1) DTD: XML syntax rule, which is the verification m…… -
Forkjoin and optional framework in Java 8
Parallel stream and serial stream Parallel flow is to divide a content into multiple data blocks and process each data…… -
On the method of using Maven plug-in to build docker image
This article introduces the method of using Maven plug-in to build docker image and shares it with you, as follows: to…… -
On data exchange, cache and synchronization of JSON
JSON lightweight data exchange format Compared with XML, JSON has faster parsing speed and smaller documents. JSON for…… -
Example analysis of high cohesion and low coupling rule
Definition: an object should have the least understanding of other objects. The origin of the problem: the relationshi…… -
Java implementation of MySQL database operation based on JDBC
This paper describes the method of operating MySQL database based on JDBC in Java. Share with you for your reference, …… -
Java batch files are compressed, exported and downloaded to the local sample code
It mainly uses org apache. tools. zip. Zipoutputstream is a zip stream. Here, take EXECL as an example. Idea: first wr…… -
Detailed explanation of basic concepts of Java language annotation
1、RetentionPolicy. Source: the annotation is only kept in the source file. When the java file is compiled into a clas…… -
Code details of Apache commons Toolset
Apache commons contains many open source tools to solve the problems often encountered in programming and reduce repet…… -
Explain how spring boot admin uses Eureka monitoring service
preface I'm just free recently. Let's learn how to build a spring boot admin environment. Many pits were encountered. …… -
Java dynamic proxy (design pattern) code explanation
Foundation: need to have the idea of object-oriented design, polymorphism and reflection; With the emergence of Java d…… -
[spring boot] a method to quickly build a spring boot micro framework
Spring boot is a framework for quickly building an environment. Its design concept is to reduce XML configuration as m…… -
How to use hashcode and equals in Java
preface As we all know, Java Lang. object has a hashcode () and an equals () method, which play an important role in s…… -
Spring integrates the implementation of quartz job and spring task
There are two main types of timed tasks commonly used in spring 1. Spring integrates quartz job 2. Tasks built in afte…… -
Java implementation of output loop number (spiral matrix) method example
This paper describes the method of outputting loop number (spiral matrix) in Java. Share with you for your reference, …… -
On the role of thread communication, wait and notify
The purpose of thread communication is to enable threads to send signals to each other. In addition, thread communicat…… -
Java learning simple chat example code using TCP
TCP TCP protocol is a connection oriented transport layer protocol that ensures high reliability (no data loss, no dat…… -
Analysis of Java programming problems
1、 Introduction Joseph problem (sometimes called Josephus permutation, it is a problem that appears in computer scien…… -
Generator configuration method of Hibernate mapping file ID
The optional < generator > child element is the name of a Java class, which is used to generate a unique identif…… -
Basic instance analysis of java thread
There are two ways to establish threads in Java: inheriting the thread class and implementing the runnable interface. …… -
How to encapsulate request parameters in struts 2
As we all know, the action class of struts 2 can obtain all relevant values through attributes, such as request parame…… -
On the difference between spring singleton bean and singleton pattern
The difference between spring singleton bean and singleton pattern is that their associated environment is different. …… -
On the urgent loading problem of Hibernate (multiple foreign key Association)
The database structure is as follows Foreign key member in strategy_ ID (associated member table) foreign key strategy…… -
Swing jtextarea scroll bar and text zoom effect
This example shares the specific code of swing jtextarea scroll bar and text scaling for your reference. The specific …… -
Example explanation of Lucene’s implementation of index and query
0 Introduction With the development of the world wide web and the advent of the era of big data, a large amount of dig…… -
Java basics essay
1. Basic concepts IO is the process of copying data from main memory and external devices (hard disk, terminal, networ…… -
Spring security custom authentication login process record
Spring security usage categories: I believe Baidu knows how to use spring security. There are four kinds of usage, fro…… -
On the urgent loading problem of Hibernate (multiple foreign key Association)
The database structure is as follows Foreign key member in strategy_ ID (associated member table) foreign key strategy…… -
MyEclipse + Tomcat + Maven + SVN project complete environment construction (Graphic tutorial)
This time, I changed a computer, so I need to reconfigure the project development environment. All kinds of in the pro…… -
Java programming implementation of hexadecimal string XOR operation code example
I haven't written a blog for a long time. I feel so busy in the last year. I can't finish all kinds of work. I believe……